ANTLIA 2.5nm ULTRA NARROWBAND 2" SET Ha + OIII + SII BA20 08 arc seconds (200 PPS)

08 arc seconds (200 PPS) Transmission Synchronous belt Latitude adjustment range 0º ~ 60º (special CW shaft mounting if <10° ) Azimuth adjustment range ± 6º Polar Scope Internal iPolar electronic polar scope Level indicator Level bubble Hand Controller Go2Nova 8407+

Click here for instructions on how to install the ESATTO to refractor telescopes

4mm (2" unmounted)

available on QHY's website

On the telescope side there is an M42 x 0

ANTLIA 2.5nm ULTRA NARROWBAND 2" SET Ha + OIII + SII BA20 08 arc seconds (200 PPS)The Antlia 2. 5nm Ultra narrowband 2" filters have a FWHM (full width half maximum) of an incredible 2. 5nm +0. 3 0. 1nm and a high transmission efficiency of > 92 95% at the central wavelength. These filters are made from quartz glass which has an ultra low thermal expansion coefficient and outstanding thermal and mechanical properties. Utilizing Antlia's precisely controlled advanced coating process, these filters are exceptionally durable and can